ColorThresholdCommand Constructor()

Summary

Initializes a new ColorThresholdCommand class object with default parameters.

Syntax

Objective-C

C++

Java

public ColorThresholdCommand()

Public Function New()

- (instancetype)init

public ColorThresholdCommand()

public: 
ColorThresholdCommand();

Example

Run the ColorThresholdCommand on an image.

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
public void ColorThresholdConstructorExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image1.jpg")); 
 
   // Prepare the command 
   ColorThresholdCommandComponent[] components = new ColorThresholdCommandComponent[3]; 
   for (int i = 0; i < 3; i++) 
      components[i] = new ColorThresholdCommandComponent(128, 255, 0); 
 
   ColorThresholdCommand command = new ColorThresholdCommand(); 
   command.ColorSpace = ColorThresholdCommandType.Rgb; 
   command.Components = components; 
 
   //Apply color Threshold effect on the image. 
   command.Run(image); 
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24); 
 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Color 
 
Public Sub ColorThresholdConstructorExample() 
   Dim codecs As New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image1.jpg")) 
 
   ' Prepare the command 
   Dim components() As ColorThresholdCommandComponent 
   ReDim components(2) 
 
   Dim i As Integer 
   For i = 0 To 2 
      components(i) = New ColorThresholdCommandComponent(128, 255, 0) 
   Next i 
 
   Dim command As ColorThresholdCommand = New ColorThresholdCommand 
   command.ColorSpace = ColorThresholdCommandType.Rgb 
   command.Components = components 
   'Apply color Threshold effect on the image. 
   command.Run(leadImage) 
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24) 
 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class

c#[Silverlight C# Example] 
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Examples; 
 
public void ColorThresholdConstructorExample(RasterImage image, Stream outStream) 
{ 
   // Prepare the command 
   ColorThresholdCommandComponent[] components = new ColorThresholdCommandComponent[3]; 
   for (int i = 0; i < 3; i++) 
      components[i] = new ColorThresholdCommandComponent(128, 255, 0); 
 
   ColorThresholdCommand command = new ColorThresholdCommand(); 
   command.ColorSpace = ColorThresholdCommandType.Rgb; 
   command.Components = components; 
 
   //Apply color Threshold effect on the image. 
   command.Run(image); 
 
   // Save result image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24); 
   image.Dispose(); 
} 
vb[Silverlight VB Example] 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Color 
 
Public Sub ColorThresholdConstructorExample(ByVal image As RasterImage, ByVal outStream As Stream) 
   ' Prepare the command 
   Dim components As ColorThresholdCommandComponent() = New ColorThresholdCommandComponent(2) {} 
   For i As Integer = 0 To 2 
      components(i) = New ColorThresholdCommandComponent(128, 255, 0) 
   Next i 
 
   Dim command As ColorThresholdCommand = New ColorThresholdCommand() 
   command.ColorSpace = ColorThresholdCommandType.Rgb 
   command.Components = components 
 
   'Apply color Threshold effect on the image. 
   command.Run(image) 
 
   ' Save result image 
   Dim codecs As RasterCodecs = New RasterCodecs() 
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24) 
   image.Dispose() 
End Sub

Requirements

Target Platforms

Reference

ColorThresholdCommand Class

ColorThresholdCommand Members

Overload List

Download our FREE evaluation

Help Version 20.0.2020.4.2

Leadtools.ImageProcessing.Color Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Color Namespace

Assemblies